package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.common.R;
import com.itheima.common.SMSUtils;
import com.itheima.common.ValidateCodeUtils;
import com.itheima.entity.User;
import com.itheima.service.Service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserContoller {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;
    //短信发送
@PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession httpSession){
    String phone=user.getPhone();
    log.info("phone={}",phone);
    if (StringUtils.isNotEmpty(phone)){
        //返回四位数验证码
        String code= ValidateCodeUtils.generateValidateCode(4).toString();
        log.info("code={}",code);
        //发送验证码
        SMSUtils.sendMessage("阿里云短信测试","SMS_154950909",phone,code);
        redisTemplate.opsForValue().set(phone,code,15, TimeUnit.MINUTES);
//            httpSession.setAttribute(phone,code);
        return R.success("发送成功");
    }
    return R.error("发送失败");
}
//移动端用户登录
@PostMapping("/login")
public R<User> login(@RequestBody Map map, HttpSession session){

    log.info(map.toString());
    //获取手机号
    String phone = map.get("phone").toString();
    //获取验证码
    String code = map.get("code").toString();

    //从Session中获取保存的验证码
//    Object codeInSession = session.getAttribute(phone);
    Object codeInSession = redisTemplate.opsForValue().get(phone);

    //进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）

    if(codeInSession != null && codeInSession.equals(code)){
        //如果能够比对成功，说明登录成功
        redisTemplate.delete(phone);
        LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(User::getPhone,phone);

        User user = userService.getOne(queryWrapper);
        if(user == null){
            //判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
            user = new User();
            user.setPhone(phone);
            user.setStatus(1);
            userService.save(user);
        }
        session.setAttribute("user",user.getId());
        return R.success(user);
    }
    return R.error("登录失败");
}
}
